GSO ISO 5558:2002
动植物油脂抗氧化剂的检测与鉴定：“薄层色谱法”

ANIMAL AND VEGETABLE FATS AND OILS -- DETECTION AND IDENTIFICATION OF ANTIOXIDANTS: THIN-LAYER CHROMATOGRAPHIC METHOD

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标准号

GSO ISO 5558:2002

发布

2002年

发布单位

GSO

当前最新

GSO ISO 5558:2002

 

 

适用范围

This GSO Standard specifies a thin-layer chrotomagraphic method for the detection and identification of the following antioxidants in animal and vegetable fats and oils: – propylgallate (PG) – octylgallate (OG) – dodecylgallate(DG) – tertiary butyl hudro quinone (E 319) – butylhydroxyanisole (tert- butyl- 4- methoxyphenol) (BHA) – tocopherol – butylhydroxytoluene (2,6- di- tert- butyl - 4- methylphenol) (BHT) The antioxidants are listed in the order of their Rf values. The detection of ?-tocopherol is sometimes difficult as the spots of this antioxidant are of a generally diffuse aspect. The method has limits of detection of 20 (ppm) for BHT, and 10 (ppm) for the other antioxidants. It should be noted that BHT is not completely isolated by this method.

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